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Laser Adventure (lemmy.ml)

submitted 1 year ago by cm0002@lemmy.world to c/funny@sh.itjust.works

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[–] qjkxbmwvz@startrek.website 7 points 1 year ago

In grad school I bought a blue (405nm) laser pointer. It was supposed to be <5mW, but I measured it at over 70mW.

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